| Sulmona to Castle Rock (Colorado) | 5,628.17 mi (9,057.66 km) |
| Sulmona to Castro Valley (California) | 6,269.33 mi (10,089.51 km) |
| Sulmona to Catalina Foothills (Arizona) | 6,219.85 mi (10,009.88 km) |
| Sulmona to Cataño (Puerto Rico) | 4,873.20 mi (7,842.65 km) |
| Sulmona to Cathedral City (California) | 6,324.34 mi (10,178.05 km) |
| Sulmona to Catonsville (Maryland) | 4,514.79 mi (7,265.85 km) |
| Sulmona to Cave Spring (Virginia) | 4,740.94 mi (7,629.81 km) |
| Sulmona to Cayce (South Carolina) | 4,926.25 mi (7,928.03 km) |
| Sulmona to Cayey (Puerto Rico) | 4,888.24 mi (7,866.86 km) |
| Sulmona to Cedar City (Utah) | 5,998.32 mi (9,653.36 km) |
| Sulmona to Cedar Falls (Iowa) | 5,019.24 mi (8,077.69 km) |
| Sulmona to Cedar Hill (Texas) | 5,671.99 mi (9,128.19 km) |
| Sulmona to Cedar Lake (Indiana) | 4,875.18 mi (7,845.84 km) |
| Sulmona to Cedar Mill (Oregon) | 5,824.76 mi (9,374.05 km) |
| Sulmona to Cedar Park (Texas) | 5,809.90 mi (9,350.13 km) |
